<template>
    <div class="icons">
        <swiper :options="iconsOption">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" 
                    v-for="item of page" 
                    :key="item.id"
                >
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl">
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
             <div class="swiper-pagination"  slot="pagination"></div>
        </swiper>
    </div>
</template>

<script>
export default {
  name: "HomeIcons",
  data: function() {
    return {
      iconsOption: {
        pagination: {
          el: ".swiper-pagination"
        }
      },
      iconsList: [
        {
          id: "01",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1803/95/f3dd6c383aeb3b02.png",
          desc: "景点门票"
        },
        {
          id: "02",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png",
          desc: "北京必游"
        },
        {
          id: "03",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png",
          desc: "一日游"
        },
        {
          id: "04",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1803/20/831d62d2e1c7be02.png",
          desc: "文化古迹"
        },
        {
          id: "05",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1803/76/eb88861d78fb9902.png",
          desc: "动植物园"
        },
        {
          id: "06",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1803/6c/9e54a8540fee0102.png",
          desc: "故宫"
        },
        {
          id: "07",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1803/47/c2b659e048b11602.png",
          desc: "野生动物园"
        },
        {
          id: "08",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1803/ab/6f7d6e44963c9302.png",
          desc: "泡温泉"
        },
        {
          id: "09",
          imgUrl:
            "https://img1.qunarzz.com/piao/fusion/1803/20/831d62d2e1c7be02.png",
          desc: "网红top榜"
        },
        {
          id: "10",
          imgUrl:
            "http://img1.qunarzz.com/piao/fusion/1803/80/416c6ab3368d1f02.png",
          desc: "全部玩乐"
        }
      ]
    };
  },
  computed: {
    pages() {
      const pages = [];
      this.iconsList.forEach((item, index) => {
        const page = Math.floor(index / 8);
        if (!pages[page]) {
          pages[page] = [];
        }
        pages[page].push(item);
      });
      return pages;
    }
  }
};
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl';
@import '~styles/mixin.styl';

.icons >>> .swiper-container {
  height: 3.7rem;
}

.icons {
  margin-top: 0.1rem;
  height: 3.7rem;
  overflow: hidden;

  .icon {
    position: relative;
    height: 1.5rem;
    float: left;
    width: 25%;

    .icon-img {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0.1rem;
    }

    .icon-img-content {
      display: block;
      margin: 0 auto;
      width: 1.1rem;
      height: 1.1rem;
    }

    .icon-desc {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 0.44rem;
      line-height: 0.44rem;
      color: $darkTextColor;
      text-align: center;
      ellipsis();
    }
  }
}
</style>

